---
product_id: 746938512
title: "Fiberglass Scratch Brush Pen - 3 Pack - Jewelry Watch Coin Cleaning Electronic Applications Removes Rust and Corrosion"
brand: "megacast"
price: "$52.62"
currency: USD
in_stock: true
reviews_count: 5
category: "Mega Cast"
url: https://www.desertcart.us/products/746938512-fiberglass-scratch-brush-pen-3-pack-jewelry-watch-coin-cleaning
store_origin: US
region: United States of America
---

# Durable metal ferrule handle 3-pack for versatile use 4.3mm precision brush size Fiberglass Scratch Brush Pen - 3 Pack - Jewelry Watch Coin Cleaning Electronic Applications Removes Rust and Corrosion

**Brand:** megacast
**Price:** $52.62
**Availability:** ✅ In Stock

## Summary

> 🛠️ Clean smarter, not harder — the ultimate precision brush for every detail-driven pro!

## Quick Answers

- **What is this?** Fiberglass Scratch Brush Pen - 3 Pack - Jewelry Watch Coin Cleaning Electronic Applications Removes Rust and Corrosion by megacast
- **How much does it cost?** $52.62 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/746938512-fiberglass-scratch-brush-pen-3-pack-jewelry-watch-coin-cleaning)

## Best For

- megacast enthusiasts

## Why This Product

- Trusted megacast brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Durability Meets Control:** Metal ferrule and adjustable bristle exposure ensure long-lasting use and tailored cleaning intensity.
- • **Precision Cleaning Power:** Fiberglass bristles expertly remove rust, corrosion, and grime from the tiniest crevices.
- • **Multi-Application Mastery:** Ideal for jewelry, watches, coins, electronics, and model trains—your all-in-one maintenance tool.
- • **Compact & Ergonomic Design:** At just 4.5 inches long, the pen fits perfectly in your hand for detailed, fatigue-free work.
- • **Trusted by Pros & Hobbyists:** Highly rated with 4.6 stars and a loyal following for precision and reliability.

## Overview

The Megacast Fiberglass Scratch Brush Pen 3-pack features durable metal ferrules and 4.3mm medium grit fiberglass bristles designed for precision rust and corrosion removal in tight spaces. Compact and ergonomic, these brushes excel in jewelry, watch, coin, and electronic cleaning applications, earning a 4.6-star rating for reliability and effectiveness among professionals and hobbyists alike.

## Description

Megacast Economy Fiberglass Scratch Brush Pen handle Remove rust and corrosion in hard to reach areas, clean clogged bars, remove excess glue and epoxies, polish metals and more. Length is 4-1/2" brush size is 4.3mm

Review: Si los vas a comprar para limpiar tus juegos de NINTENDO no lo hagas. no funcionaron.
Review: The Megacast Fiberglass Scratch Brush Pen has proven to be an invaluable tool for maintaining my HO scale model train motors. It’s compact, precise, and incredibly effective at cleaning delicate components without causing damage. The fiberglass bristles are the perfect balance between stiffness and gentleness, allowing me to clean off grime, oxidation, and buildup from motor contacts and other small parts with precision. The adjustable tip is a standout feature—it lets me control the amount of bristle exposed, which is great for working on different surfaces and levels of dirt. I was initially concerned about durability, but the bristles have held up well after several cleaning sessions. Replacement refills are also easy to find, ensuring that the tool remains useful for a long time. What I appreciate most is how this pen allows me to reach tight spaces and crevices in the motors that would be impossible with traditional brushes. It’s a must-have for anyone serious about maintaining their model trains or other intricate hobbies. If you’re looking for a reliable and effective cleaning tool for small, detailed work, the Megacast Fiberglass Scratch Brush Pen is an excellent choice. It’s easy to use, affordable, and delivers great results. Highly recommended for hobbyists and professionals alike!

## Features

- Ideal for tight spaces, electronic applications, rust and corrosion removal
- Red handle with fiberglass brush; Metal ferrule for increased durability
- Perfect for jewelry, watches, coin cleaning, narrow spaces, electronic applications, rust and corrosion removal
- Product Size: 4.5" x 0.4" x 0.3" (113 x 10 x 7mm)
- Brush size 1.7" (42mm)

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B09Q4PK2R1 |
| Amazon Bestseller | #701,257 in Clothing, Shoes & Jewelry ( See Top 100 in Clothing, Shoes & Jewelry ) #1,576 in Watch Repair Tools & Kits |
| Batteries Included | No |
| Batteries Required? | No |
| Color | red |
| Customer Reviews | 4.6 4.6 out of 5 stars (588) |
| Cutting Diameter | 4.3 Millimeters |
| Date First Available | June 22, 2023 |
| Grit Type | Medium |
| Item Diameter | 4.3 Millimeters |
| Item Dimensions LxWxH | 11.3 x 1 x 0.1 cm |
| Item Weight | 32 g |
| Manufacturer | Megacast |
| Number of Pieces | 3 |
| Part number | MC-3Pen brush |
| Recommended Uses For Product | Rust Remover Deburring |
| UPC | 039294862261 |

## Product Details

- **Brand:** MegaCast
- **Bristle Type:** Crimped Wire
- **Grit Material:** Fiberglass
- **Material:** Fiberglass
- **Product Dimensions:** 11.3L x 1W cm

## Images

![Fiberglass Scratch Brush Pen - 3 Pack - Jewelry Watch Coin Cleaning Electronic Applications Removes Rust and Corrosion - Image 1](https://m.media-amazon.com/images/I/413XLProNdL.jpg)
![Fiberglass Scratch Brush Pen - 3 Pack - Jewelry Watch Coin Cleaning Electronic Applications Removes Rust and Corrosion - Image 2](https://m.media-amazon.com/images/I/41C2xLsfsXL.jpg)
![Fiberglass Scratch Brush Pen - 3 Pack - Jewelry Watch Coin Cleaning Electronic Applications Removes Rust and Corrosion - Image 3](https://m.media-amazon.com/images/I/41Se2OxdMWL.jpg)
![Fiberglass Scratch Brush Pen - 3 Pack - Jewelry Watch Coin Cleaning Electronic Applications Removes Rust and Corrosion - Image 4](https://m.media-amazon.com/images/I/51IYYG1QyjL.jpg)
![Fiberglass Scratch Brush Pen - 3 Pack - Jewelry Watch Coin Cleaning Electronic Applications Removes Rust and Corrosion - Image 5](https://m.media-amazon.com/images/I/51O6tLlUSnL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐ Review
*by R***. on December 11, 2025*

Si los vas a comprar para limpiar tus juegos de NINTENDO no lo hagas. no funcionaron.

### ⭐⭐⭐⭐⭐ Review
*by R***N on December 20, 2024*

The Megacast Fiberglass Scratch Brush Pen has proven to be an invaluable tool for maintaining my HO scale model train motors. It’s compact, precise, and incredibly effective at cleaning delicate components without causing damage. The fiberglass bristles are the perfect balance between stiffness and gentleness, allowing me to clean off grime, oxidation, and buildup from motor contacts and other small parts with precision. The adjustable tip is a standout feature—it lets me control the amount of bristle exposed, which is great for working on different surfaces and levels of dirt. I was initially concerned about durability, but the bristles have held up well after several cleaning sessions. Replacement refills are also easy to find, ensuring that the tool remains useful for a long time. What I appreciate most is how this pen allows me to reach tight spaces and crevices in the motors that would be impossible with traditional brushes. It’s a must-have for anyone serious about maintaining their model trains or other intricate hobbies. If you’re looking for a reliable and effective cleaning tool for small, detailed work, the Megacast Fiberglass Scratch Brush Pen is an excellent choice. It’s easy to use, affordable, and delivers great results. Highly recommended for hobbyists and professionals alike!

### ⭐⭐⭐⭐⭐ Review
*by E***2 on November 27, 2024*

10/10

## Frequently Bought Together

- Megacast Fiberglass Scratch Brush Pen - 3 Pack - Jewelry, Watch, Coin Cleaning, Electronic Applications, Removing Rust and Corrosion
- Extra Thin Fiberglass Scratch Brush | BRS-290.00
- Scratch Brush Refills, Fiberglass Metal Finishing Polishing Sanding Tool for Jewelry Making 24 Pack

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-03-08*